<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddpage">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- table表格区域 -->
      <el-table :data="goodslist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
          <el-table-column label="商品价格(元)" prop="goods_price" width="95px"></el-table-column>
          <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
          <el-table-column prop="add_time" label="创建时间" width="140px">
            <template slot-scope="scope">
              <!--通过作用域插槽的形式 调用时间过滤器-->
              {{scope.row.add_time | dateFormat}}
            </template>
          </el-table-column>
          <el-table-column label="操作" width="130px">
            <template slot-scope="scope">
              <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditGoodsDialog(scope.row.goods_id)"></el-button>
              <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)"></el-button>
            </template>
          </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
      @size-change="handleSizeChange" @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum" :page-sizes="[5, 10, 50, 100]"
      :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper"
      :total="total" background>
      </el-pagination>
    </el-card>
    <!-- 修改商品信息 -->
    <el-dialog title="修改商品信息" :visible.sync="EditGoodDialogVisible" width="30%">
      <el-form :model="goodForm" :rules="goodFormRules" ref="goodFormRef" label-width="100px" class="demo-ruleForm">
        <el-form-item label="商品名称" prop="goods_name">
          <el-input v-model="goodForm.goods_name"></el-input>
        </el-form-item>
        <el-form-item label="商品价格" prop="goods_price">
          <el-input v-model="goodForm.goods_price"></el-input>
        </el-form-item>
        <el-form-item label="商品数量" prop="goods_number">
          <el-input v-model="goodForm.goods_number"></el-input>
        </el-form-item>
         <el-form-item label="商品重量" prop="goods_weight">
          <el-input v-model="goodForm.goods_weight"></el-input>
        </el-form-item>
        <!-- <el-form-item label="商品介绍">
          <el-input v-model="goodForm.goods_introduce"></el-input>
        </el-form-item>
        <el-form-item label="商品图片">
          <el-input v-model="goodForm.pics"></el-input>
        </el-form-item> -->
          <!-- <el-tab-pane label="商品内容" name="4">
        <el-form-item label="商品参数">
          <el-input v-model="goodForm.attrs"></el-input>
        </el-form-item> -->
        <!-- <el-form-item label="商品分类" prop="goods_cat">
              <el-cascader
                expand-trigger="hover"
                v-model="goodForm.goods_cat"
                :options="catelist"
                :props="cateProps"
                @change="handleChange">
              </el-cascader>
            </el-form-item> -->
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="EditGoodDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addEditGoodForm">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>
<script>
export default {
  data () {
    return {
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      // 商品列表
      goodslist: [],
      // 总数据条数
      total: 0,
      // 编辑商品
      EditGoodDialogVisible: false,
      goodFormRef: {},
      goodFormRules: {
        goods_name:
          [{ required: true, message: '请输入商品名称', trigger: 'blur' }],
        goods_price:
          [{ required: true, message: '请输入商品价格', trigger: 'blur' }],
        goods_number:
          [{ required: true, message: '请输入商品数量', trigger: 'blur' }],
        goods_weight:
          [{ required: true, message: '请输入商品重量', trigger: 'blur' }]
      },
      goodForm: {
        goods_name: '',
        goods_price: '',
        goods_number: '',
        goods_weight: ''
        // goods_introduce: '',
        // pics: '',
        // attrs: ''
      }
    }
  },
  created () {
    this.getGoodsList()
  },
  methods: {
    // 根据分页获取对应的商品列表
    async getGoodsList () {
      const { data: res } = await this.$http.get('goods', { params: this.queryInfo })
      if (res.meta.status !== 200) {
        return this.$message.console.error('获取商品列表失败！')
      }
      this.$message.success('获取商品列表成功！')
      console.log(res.data)
      this.goodslist = res.data.goods
      this.total = res.data.total
    },
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    handleCurrentChange (newPage) {
      this.queryInfo.pagenum = newPage
      this.getGoodsList()
    },
    // 控制编辑商品信息对话框的展示与隐藏
    async showEditGoodsDialog (id) {
      // console.log(id)
      const { data: res } = await this.$http.get('goods/' + id)
      console.log(res)
      if (res.meta.status !== 200) {
        this.$message.error('获取商品信息失败!')
      }
      this.$message.success('获取商品信息成功!')
      this.goodForm = res.data
      this.EditGoodDialogVisible = true
    },
    // 提交编辑内容
    async addEditGoodForm () {
      this.$refs.goodFormRef.validate(async valid => {
        if (!valid) return true
        // 可以发起用户请求
        const { data: res } = await this.$http.put('goods/' + this.goodForm.goods_id, {
          goods_name: this.goodForm.goods_name,
          goods_price: this.goodForm.goods_price,
          goods_number: this.goodForm.goods_number,
          goods_weight: this.goodForm.goods_weight
          // goods_introduce: this.goodForm.goods_introduce,
          // pics: this.goodForm.pics,
          // attrs: this.goodForm.attrs
        })
        console.log(res)
      })
    },
    async removeById (id) {
      const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除操作！')
      }
      const { data: res } = await this.$http.delete(`goods/${id}`)
      console.log(res)
      if (res.meta.status !== 200) {
        return this.$message.error('删除失败!')
      }
      this.$message.success('删除成功!')
      this.getGoodsList()
    },
    goAddpage () {
      this.$router.push('/goods/add')
    }
  }
}
</script>
<style Lang="less" scoped>

</style>
